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I was just talking to my student about it. He bought this square. It's called a NEDO, N-E-E-P-O-H. And it's a cube, and you squeeze it. It's kind of like a forehand workout. I was telling him that I have something similar to that, but it's a putty, silly putty. So I use that to squeeze it and strengthen my fingers. You know, while I'm driving, just something to do while I can drive. You know, say if I can just play with my silly putty and get a little bit of a workout. It's great.